FVXX21 KNES 171510 VA ADVISORY DTG: 20210917/1510Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/788 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS OBSD OBS VA DTG: 17/1440Z OBS VA CLD: SFC/FL150 N0004 W07758 - S0004 W07740 - S0005 W07740 - S0002 W07759 - N0004 W07758 MOV W 25KT FCST VA CLD +6HR: 17/2030Z SFC/FL150 N0013 W07816 - S0004 W07740 - S0005 W07740 - N0002 W07820 - N0013 W07816 FCST VA CLD +12HR: 18/0230Z NO VA EXP FCST VA CLD +18HR: 18/0830Z NO VA EXP RMK: VA CLD OBSD AT 1419Z ON WEBCAM MOVG W. VA CLD OBSD BY G16 MOVG WNW ABT 10 NM FM SUMMIT. VONAS RPRT TWO EMS SINCE PREV ADVY. NWP MDL FCST LTLCG IN WINDS THRU T+6 HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20210917/2115Z